High-Quality Construction: Made with 185 gsm high-density polyethylene (HDPE) shade fabric; features well-stitched seams and sturdy stainless steel D-rings in each corner for lasting durability Breathable Design: Fabric promotes airflow while providing substantial shade; curved edges prevent rainwater buildup, extending the lifespan of the sun sail; not waterproof Installation Guidelines: Measure from D-ring to D-ring; leave 1.5-2 feet for hardware between the sail's D-ring and mounting points; consider sizing sail at 88% of the installation area's dimensions to avoid sagging; hardware kit not included Maintenance Tip: Remove the shade sail during severe weather conditions to maintain optimal performance Versatile Shade Solution: Ideal for patios, gardens, pools, and more; provides 85%-88% sunshade and blocks 95% of harmful UV rays; enhances outdoor privacy and creates a cool, enjoyable ambiance Shade&Beyond shade sail information Material: 185 gsm high-quality HDPE sun shade fabric. Our sun shade sails Sun shade sails fit both the domestic and commercial market A Shade Covering provides protection from the sun and looks great in your home's outdoor areas - covering pools, lawn, barbecues,garden, patio areas and spa's. And shade sails are also ideal for using in public outdoor areas - shopping centres, car yards, mine sites, community centres, child care centres, construction sites, schools, playgrounds, park activity areas and sport venues In fact, we can place a covering in any area that shade is required. Installation suggestions for rectangle shade sails As shown in the image above, with 2 ends higher than the others, the appearance will be very nice, and water can run off the sail more easily. Maintenance instructions: Clean with mild detergent or water by a sponge or a very soft brush Do not scrub it with a stiff brush, scouring pad, or an abrasive cleaner Do not put the sail in your washing machine, clothes drier Take down the shade sail when extreme weather is coming.